直齿轮系统点蚀故障的实验研究与对比分析

IF 0.7 Q4 ENGINEERING, MECHANICAL Journal of Vibroengineering Pub Date : 2023-09-14 DOI:10.21595/jve.2023.23335
Kemajou Herbert Yakeu Happi, Bernard Xavier Tchomeni Kouejou, Alfayo Anyika Alugongo
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引用次数: 0

摘要

本文采用考虑扭转和横向运动的动态六自由度模型,预测了在不同运行速度和扭矩载荷下,点蚀对直齿轮箱振动参数的影响。该研究采用理论和实验方法研究了齿轮箱在单个齿轮齿上局部点蚀损伤的动态特性。该研究分析了具有点蚀损伤的单级直齿齿轮系统的强迫振动,包括啮合刚度、阻尼和齿轮误差激励的变化,以识别违约症状。将拉格朗日方法与短时傅里叶变换(STFT)和频率-转速图故障诊断相结合,建立了旋转齿轮箱系统的运动方程。在实时振动监测过程中,通过加速度计捕获振动信号,并使用LabVIEW数据采集信号处理包在时域和频域进行处理,以提取诊断信息。实验结果表明,振动分析与时频处理相结合,即使在恶劣的运行条件下也能识别出机器的状态。实验结果与理论分析结果吻合较好,验证了基于转速频率技术的点蚀检测方法的有效性,为齿轮故障监测提供了宝贵的技术支持。
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Experimental study and comparative analysis of pitting fault in spur gear system
This paper uses a dynamic six-degree-of-freedom model that considers torsional and lateral motions to predict the impact of pitting on vibration parameters in a spur gearbox for various operating speeds and torque loads. The study examines the dynamic characteristics of a gearbox with localized pitting damage on a single gear tooth using theoretical and experimental approaches. The research analyzes the forced vibrations of a single-stage spur gear system with pitting damage, which includes variations in mesh stiffness, damping, and gear error excitation, to identify symptoms of default. The equation of motion for the rotary gearbox system is established using the Lagrangian method in tandem with Short-Time Fourier Transform (STFT) and frequency-RPM map fault diagnosis. During real-time vibration monitoring, vibration signals are captured via accelerometers and processed in both the time and frequency domains using the LabVIEW data acquisition signal processing package to extract diagnostic information. The experimental findings demonstrate how vibration analysis combined with time-frequency processing can recognize machine conditions even in harsh operational conditions. Moreover, the experimental results indicate a significant similarity with the theoretical analysis and validate the effectiveness of the RPM frequency technique-based pitting detection method, which can be an asset in gear fault monitoring.
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来源期刊
Journal of Vibroengineering
Journal of Vibroengineering 工程技术-工程:机械
CiteScore
1.70
自引率
0.00%
发文量
97
审稿时长
4.5 months
期刊介绍: Journal of VIBROENGINEERING (JVE) ISSN 1392-8716 is a prestigious peer reviewed International Journal specializing in theoretical and practical aspects of Vibration Engineering. It is indexed in ESCI and other major databases. Published every 1.5 months (8 times yearly), the journal attracts attention from the International Engineering Community.
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